CVE-2026-1744 MEDIUM

CVE-2026-1744: D-Link DSL-6641K sp_pppoe_user.js doSubmitPPP cross site scripting

Vendor D-Link
Product DSL-6641K
Weakness CWE-79 · XSS
Published February 2, 2026
Last update February 23, 2026

CVSS base score

4.8/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A vulnerability was found in D-Link DSL-6641K N8.TR069.20131126. Affected by this issue is the function doSubmitPPP of the file sp_pppoe_user.js. The manipulation of the argument Username results in cross site scripting. The attack may be launched remotely. The exploit has been made public and could be used. This vulnerability only affects products that are no longer supported by the maintainer.

Key dates

02Disclosure timeline

February 2, 2026 CVE published
February 23, 2026 Record updated

Related vulnerabilities

04Related CVE